Part Number NAS428-4A12 Machine Bolt

SKU: 5306015353722
Image of part number NAS428-4A12

NAS4284A12 Machine Bolt Datasheet

National aerospace standards part number NAS428-4A12
Thread Direction:
Right-hand
Thread Length:
Between 1.688 inches and 1.719 inches
Fastener Length:
1.250 inches
Head Style:
Crowned hexagon
Head Height:
0.141 inches
Width Between Flats:
0.438 inches
End Application:
E fwd fuselag
Thread Diameter:
0.250 inches
Grip Length:
Between 0.031 inches and 0.062 inches
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
125000 pounds per square inch
Hardness Rating:
26.0 rockwell c and 32.0 rockwell c
Part Name Assigned By Controlling Agency:
Bolt, machine, 125, 000 psi - crowned hexagon head, adjusting
Material Specification:
MIL-B-6812 military specification all material responses
Surface Treatment Specification:
QQ-P-416 type 2 CL3 federal specification all treatment responses
Manufacturer Cage:
80205

Trade Information:
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Bolts and bolts and their nuts or washers exported in the same shipment

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